# SDR COEA2026010702708

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2026
- Submitted: January 7, 2026
- Operation: Air carrier
- Aircraft: [N708FX](https://openairdocs.org/aircraft/N708FX), registered now
- Make and model: Textrn 408
- Aircraft serial: 0004
- Aircraft time: 643 hours, 705 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Pressure Switch
- Condition: Faulted
- Location: Anti-Ice Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COEA2026010702708

## Discrepancy

FLIGHT 8737, ENROUTE GEG - YKM   AIR TURNBACK, DURING CRUISE, THE STAB DE-ICE FAIL ILLUMINATED. DUE TO ICING CONDITIONS, THE PILOT DECLARED AN EMERGENCY AND RETURNED TO GEG WITHOUT INCIDENT.   MAINTENANCE REMOVED THE EMPENNAGE PRESSURE SWITCH SV001 AND FOUND RESIDUAL MOISTURE WITHIN THE LINES. REMOVED THE WATER FROM THE SWITCH AND ASSOCIATED COMPONENTS AND REINSTALLED THE SWITCH. OPS CHECK GOOD.

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